Task6

#include <stdio.h>
int main()
{
   int U;
   printf("Input the amount of KWh: ");
   scanf("%d", &U);
   if (U>=1 && U<=100)
   printf("Rs. 10/unit");
   else if (U>=100 && U<=200)
   printf("Rs. 15/unit");
   else if (U>=200 && U<=300)
   printf("Rs. 20/unit");
   else if (U>300)
   printf("Rs. 25/unit");
   return 0;
}